Absence of nasal bone and detection of trisomy 21.

Monni, Giovanni

Absence of nasal bone and detection of trisomy 21. [electronic resource] - Lancet (London, England) Apr 2002 - 1343 p. digital

Publication Type: Comment; Letter

0140-6736

10.1016/S0140-6736(02)08287-9 doi


Down Syndrome--diagnosis
Female
Humans
Maternal Age
Nasal Bone--abnormalities
Pregnancy
Pregnancy Trimester, First
Pregnancy, High-Risk
Prenatal Diagnosis--methods
Risk Factors